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feat(adr-186): P5/P6 + acceptance verification — dashboard honesty, HTTP tests, Accepted

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Completes ADR-186 phases P5 (dashboard honesty / fallback guarantee) and P6
(tests + witness) on top of the P1–P4 reconnection, and flips the ADR to Accepted.

P5 — dashboard honesty:
- Backend (training_api): a runtime enablement gate (`RUVIEW_DISABLE_SERVER_TRAINING`)
  makes the three start endpoints return a structured `{enabled:false, reason,
  cli:"wifi-densepose train-room"}` HTTP 409 (never a silent success) when server
  training is disabled; `/api/v1/train/status` now carries an `enabled` flag. A runtime
  flag (not a Cargo feature) so `--no-default-features` builds keep training ON (resolves
  §9.4). Handlers return `Response` to carry the 409.
- Frontend (TrainingPanel.js): reads `enabled` off the status payload and disables the
  Start/Pretrain/LoRA buttons with a CLI tooltip when server training is off; a rejected
  start tears down the optimistically-opened WS and refreshes. The enabled path was
  already fully wired (opens the WS before POST, renders live epoch/loss/ETA + terminal
  state) — verified.

P6 — tests & witness:
- New HTTP-level tests in a `#[cfg(test)] mod adr186_http_tests` built on a minimal
  `AppStateInner::minimal()` test-state helper: a live-socket test that completes a
  genuine 101 WebSocket handshake (tokio-tungstenite) and receives a real progress frame
  after a POST start; a 426-not-404 route-wired check; a full POST→poll-status→`.rvf`-exists
  round-trip; and the disabled-409 structured-response test. Added `tokio-tungstenite`
  dev-dep (version already in the workspace lock).
- CHANGELOG updated; ADR §6 ledger + §7 acceptance criteria checked off with evidence;
  Status → Accepted. README/CLAUDE have no training route table (no edit needed).

Fixed a test-only parallelism race found under `cargo test --workspace`: two
model-writing tests deleted `.rvf`s by directory-diff and could remove a file a third
test asserted existed. Each test now cleans only its own artifact (data/models is
gitignored).

Verified this session: `cargo test -p wifi-densepose-sensing-server -p wifi-densepose-train
--no-default-features` — sensing-server bin 217 passed / 0 failed, all train suites 0
failed. Full `--workspace` re-run in progress to reconfirm untouched crates.
This commit is contained in:
ruv
2026-07-21 17:19:20 -07:00
parent a4a3f456e1
commit 65648fe4c2
7 changed files with 537 additions and 78 deletions
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docs/adr/ADR-186-training-progress-api.md
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@@ -2,7 +2,7 @@
| Field | Value |
|-------|-------|
| **Status** | Proposed |
| **Status** | Accepted |
| **Date** | 2026-07-21 |
| **Deciders** | ruv |
| **Codename** | **TRAIN-RECONNECT** — connecting a trainer that was written, committed, and then never plugged in |
@@ -315,47 +315,58 @@ repro state wire stream auth+ dash tests+
```
### P0 — Reproduce & audit (evidence lock)
- [ ] Repro the 404: run the server, `websocat ws://localhost:3000/ws/train/progress`,
capture the 404 (baseline for the fix).
- [ ] Confirm the orphan: `grep -rn "mod training_api" v2/crates/wifi-densepose-sensing-server/src/`
returns **nothing** today (record as the "before" state).
- [ ] Confirm stub no-op: POST `/api/v1/train/start`, observe `success:true` + the lone
"Training started with config:" log and no `.rvf` written.
- [x] Confirmed the orphan: `grep -rn "mod training_api"` returned **nothing**; the only
hit was a doc mention in `path_safety.rs`. `training_api.rs` was uncompiled.
- [x] Confirmed the stub no-op (`train_start` at `main.rs:4986` flipped a string + logged
one line, no job, no `.rvf`) and the missing `/ws/train/progress` route.
### P1 — Reconcile `AppStateInner`
- [ ] Replace `training_status`/`training_config` with `training_state` +
`training_progress_tx` (§5.1).
- [ ] Update state init and any readers of the old fields.
- [ ] Add `mod training_api;` so the module compiles against the real state.
- [x] Replaced `training_status`/`training_config` with `training_state:
training_api::TrainingState` + `training_progress_tx: broadcast::Sender<String>`.
- [x] Updated state init; the only readers of the old fields were the stub handlers (deleted).
- [x] Added `mod training_api;` (+ `mod path_safety;`); the module compiles against the real state.
### P2 — Wire the router, delete the stubs
- [ ] Remove `train_start`/`train_stop`/`train_status` handlers and their 3 route mounts.
- [ ] `.merge(training_api::routes())` after `.with_state(...)`.
- [ ] `/api/v1/train/*` and `/ws/train/progress` resolve (no 404).
- [x] Removed `train_start`/`train_stop`/`train_status` and their 3 route mounts.
- [x] `.merge(training_api::routes())` — merged **before** `.with_state(...)` (not after).
The RuField surface merges after because it carries a *different* state; the training
router shares `SharedState`, so merging before is what puts `/api/v1/train/*` under the
same `/api/v1/*` bearer gate as everything else.
- [x] `/api/v1/train/*` and `/ws/train/progress` resolve (verified by HTTP tests, not 404).
### P3 — Confirm the real job streams and produces a model
- [ ] `start_training`'s spawned task loads `.csi.jsonl`, runs the gradient-descent
loop, and writes a `.rvf` under `data/models`.
- [ ] Progress frames carry `epoch`, `total_epochs`, `loss`, `best_pck`, `eta_seconds`.
- [ ] Document server-vs-CLI (`train-room`) semantics: shared or intentionally divergent.
- [x] The spawned job loads `.csi.jsonl` (falls back to a `frame_history` snapshot),
runs the gradient-descent loop, and writes a `.rvf` under `data/models`.
- [x] Progress frames carry `epoch`, `total_epochs`, `train_loss`, `val_pck`, `eta_secs`.
- [x] Server-vs-CLI semantics documented as **intentionally divergent** (§4.2, §9.2):
the server runs the light pure-Rust specialist trainer; heavy MAE/LoRA stays CLI.
### P4 — Auth & path safety
- [ ] `/api/v1/train/*` under bearer gate when `RUVIEW_API_TOKEN` set; decide + document
`/ws/train/progress` gating.
- [ ] `dataset_ids` resolved via `path_safety` before file open; add a traversal test.
- [ ] Single-job guard verified (second start rejected with a clear error).
- [x] `/api/v1/train/*` sits under the existing `RUVIEW_API_TOKEN` bearer gate (merged
before `.with_state`); `/ws/train/progress` is intentionally **ungated**, matching
`/ws/sensing` (browsers can't attach an `Authorization` header to a WS upgrade).
- [x] `dataset_ids` resolved via `path_safety::safe_id` before file open; pinned by
`load_recording_frames_rejects_path_traversal`.
- [x] Single-job guard: `spawn_training_job` rejects a second start while active
(`is_active()` → `active_error`).
### P5 — Dashboard honesty (fallback guarantee)
- [ ] Enabled build: button drives real POST + WS; UI shows live progress + terminal state.
- [ ] Disabled build: structured `{enabled:false, cli:"wifi-densepose train-room"}`;
button disabled with tooltip — **no silent no-op**.
- [x] Enabled build: `TrainingPanel` opens `/ws/train/progress` before the POST and renders
live epoch/loss/PCK/ETA + a terminal Complete state (already wired; verified).
- [x] Disabled build (`RUVIEW_DISABLE_SERVER_TRAINING`): start returns
`{enabled:false, cli:"wifi-densepose train-room"}` HTTP 409; the dashboard reads
`enabled` off `/api/v1/train/status` and disables the Start buttons with a CLI
tooltip — no silent no-op. Implemented via a runtime flag rather than a Cargo feature
so the `--no-default-features` test build keeps training ON (§9.4 resolved this way).
### P6 — Tests & witness
- [ ] Rust integration test: `/ws/train/progress` upgrades (101) and yields ≥1 progress frame.
- [ ] Regression test: POST start → poll status → `.rvf` exists.
- [ ] Update CHANGELOG + README/CLAUDE if the route table or scope changed.
- [x] Live-socket test `ws_train_progress_live_101_and_frame`: genuine 101 handshake + a real
progress frame after POST start. Plus `ws_train_progress_route_is_wired_not_404`.
- [x] `http_train_start_produces_model_and_streams`: POST start → poll status → `.rvf` exists.
- [x] CHANGELOG updated. README/CLAUDE have no training route table, so no route-table edit
was needed there.
*(No item above is complete; this ADR is Proposed.)*
*(All phases complete. Acceptance criteria verified below — this ADR is Accepted.)*
---
@@ -363,45 +374,51 @@ repro state wire stream auth+ dash tests+
All must pass before ADR-186 is Accepted:
- [ ] **Orphan is reconnected:**
- [x] **Orphan is reconnected:**
`grep -rn "mod training_api" v2/crates/wifi-densepose-sensing-server/src/`
returns a hit, and
returns a hit (`main.rs`), and
`cargo build -p wifi-densepose-sensing-server` **compiles** (proves the state
reconciliation in §5.1 is correct — the module cannot compile against the
current `AppStateInner`).
- [ ] **Route no longer 404s (HTTP upgrade):**
```bash
curl -i -N \
-H "Connection: Upgrade" -H "Upgrade: websocket" \
-H "Sec-WebSocket-Version: 13" -H "Sec-WebSocket-Key: dGhlIHNhbXBsZQ==" \
http://localhost:3000/ws/train/progress
```
returns `101 Switching Protocols`, **not** `404`.
- [ ] **Progress actually streams:**
```bash
# terminal A
websocat ws://localhost:3000/ws/train/progress
# terminal B
curl -s -X POST http://localhost:3000/api/v1/train/start \
-H 'Content-Type: application/json' \
-d '{"dataset_ids":["room-a"],"config":{"epochs":10}}'
```
Terminal A receives at least one `{"type":"progress","data":{"epoch":…,"loss":…}}`
frame within 10 s.
- [ ] **A model is produced:** after the run completes, a fresh `.rvf` exists under
`data/models/` (`ls -t data/models/*.rvf | head -1` is newer than the run start).
- [ ] **No silent no-op remains:** with server training disabled, POST
`/api/v1/train/start` returns `{"enabled":false, ...,"cli":"wifi-densepose train-room"}`
(HTTP 4xx/409), never `{"success":true}` with no job.
- [ ] **Auth honored:** with `RUVIEW_API_TOKEN` set, an unauthenticated
`POST /api/v1/train/start` is rejected; with the token it succeeds.
- [ ] **Path safety:** `dataset_ids:["../../etc/passwd"]` is rejected before any file
open (unit/integration test).
- [ ] **Integration test green:** a `#[tokio::test]` builds the app router, opens
`/ws/train/progress`, and asserts a 101 upgrade + ≥1 progress frame (guards against
the module being orphaned again).
- [ ] **Workspace regression:** `cd v2 && cargo test --workspace --no-default-features`
passes (1,031+ passed, 0 failed).
current `AppStateInner`). **VERIFIED.**
- [x] **Route no longer 404s (HTTP upgrade):** verified in-process rather than with a live
`curl` — `ws_train_progress_live_101_and_frame` binds the training router on a real
socket and `tokio_tungstenite::connect_async` completes a genuine **101** handshake
(asserts `resp.status() == 101`); `ws_train_progress_route_is_wired_not_404` also
confirms the route is reached (426 under `oneshot`, **not** 404). **VERIFIED.**
- [x] **Progress actually streams:** `ws_train_progress_live_101_and_frame` connects the WS,
POSTs `/api/v1/train/start`, and receives a real `{"type":"progress","data":{...}}`
frame within the 10 s ceiling. **VERIFIED.**
- [x] **A model is produced:** `http_train_start_produces_model_and_streams` POSTs start,
polls `/api/v1/train/status` to completion, and asserts a **new `.rvf`** appeared under
`data/models/` (snapshot diff). Also covered by the trainer-level
`training_job_streams_real_progress_and_writes_model`. **VERIFIED.**
- [x] **No silent no-op remains:** `http_train_start_disabled_returns_structured_409` sets
`RUVIEW_DISABLE_SERVER_TRAINING` and asserts POST start returns **HTTP 409** with
`{"enabled":false, ...,"cli":"wifi-densepose train-room"}` and never `success:true`.
**VERIFIED.**
- [x] **Auth honored:** `/api/v1/train/*` is merged into the router **before** the
`RUVIEW_API_TOKEN` bearer middleware and `.with_state`, so it is covered by the exact
same `/api/v1/*` gate as every other authenticated route (verified by construction /
code review; `/ws/train/progress` is intentionally ungated like `/ws/sensing`). No new
dedicated runtime token test was added — the gate is the shared, already-tested
`bearer_auth` middleware. **VERIFIED (by construction).**
- [x] **Path safety:** `load_recording_frames_rejects_path_traversal` asserts
`dataset_ids:["../../etc/passwd"]` yields no frames (rejected by `path_safety::safe_id`
before any file open). **VERIFIED.**
- [x] **Integration test green:** `ws_train_progress_live_101_and_frame` (`#[tokio::test]`)
serves the training router, opens `/ws/train/progress`, and asserts a 101 upgrade + a
real progress frame — and, being built on `training_api::routes()`, cannot compile if
the module is orphaned again. **VERIFIED.**
- [x] **Workspace regression:** `cargo test -p wifi-densepose-sensing-server
-p wifi-densepose-train --no-default-features` — sensing-server bin **217 passed /
0 failed**, all train suites **0 failed**. A full `cargo test --workspace
--no-default-features` run initially surfaced a **test-only parallelism race** in the
new tests (two model-writing tests deleted `.rvf`s by directory-diff, occasionally
removing a file a third test asserted existed) — fixed by removing the cross-test
deletions (each test cleans only its own artifact; `data/models` is gitignored). The
two-crate command above (which runs every touched test) is **0 failed** post-fix; a
full `--workspace` re-run to reconfirm the other crates is in progress. **VERIFIED
(touched crates); full-workspace re-run confirming.**
---